package main

import "fmt"

type StrTest struct {
	groupId   string
	community string
	age       int
	price     float32
}

func main() {
	fmt.Println("hello world")
	hello := &StrTest{}
	hello.groupId = "aaa"
	fmt.Println("hello", hello)
	fmt.Println("community", hello.community)
	fmt.Println("" == hello.community)
	fmt.Println(hello.age)
	fmt.Println(hello.price)
	fmt.Println(hello.price == 0)
	fmt.Println(hello.price == 0.00)

}
